The answer to the quiz in the previous post is: Judge Daniel M. Friedman.
At age 93, Judge Friedman still regularly takes part in Federal Circuit cases. Almost his entire adult life has been in public service:
Born 1916 in New York City, NY
Education:
Columbia University, A.B., 1937
Columbia Law School, LL.B., 1940
Professional Career:
Private practice, New York City, 1940-1942
Attorney, Securities and Exchange Commission, Philadelphia, PA, and Washington, DC, 1942
U.S. Army, 1942-1946
Attorney, Securities and Exchange Commission, Philadelphia, PA , and Washington, DC, 1946-1951
Assistant chief, Appellate Section, Antitrust Divison, U.S. Department of Justice, Washington, DC, 1951-1959
Office of the U.S. Solicitor General, U.S. Department of Justice, Washington, DC, 1959-1978
Assistant to the U.S. solicitor general, 1959-1962
Second assistant to the U.S. solicitor general, 1962-1968
First deputy U.S. solicitor general, 1968-1978
Acting U.S. Solicitor General, 1977
Federal Judicial Service:
Judge, U. S. Court of Appeals for the Federal Circuit
Reassigned October 1, 1982; Assumed senior status on November 1, 1989.
Chief judge, U.S. Court of Claims, 1978-1982.
The biographies of the other judges of the Court of Appeals for the Federal Circuit can be found [Here] and [Here].
For some reason, the biographies of only two former judges (Judge Howard T. Markey and Judge Wilson Cowen) are included on the Federal Circuit web site.